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- Original Article Imaging Findings among Retired Workers Who Were Long-term Exposed to Asbestos : Lung and Pleural Diseases Prevalence on Chest Radiograph and HRCT
- Ki Nam Kim, Jung Il Kim, Ki Nam Lee, Kap Yeol Jung, Joon Youn Kim
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DOI: https://doi.org/10.35371/kjoem.2006.18.2.87
Published online: June 30, 2006
1Department of Radiology, College of Medicine, Dong-A University, Korea. 
2Department of Occupational Medicine, College of Medicine, Dong-A University, Korea. kimji@dau.ac.kr
3Department of Preventive Medicine and The Research Society of Environmental Genetic Epidemiology, College of Medicine, Dong-A University, Korea.
2Department of Occupational Medicine, College of Medicine, Dong-A University, Korea. kimji@dau.ac.kr
3Department of Preventive Medicine and The Research Society of Environmental Genetic Epidemiology, College of Medicine, Dong-A University, Korea.
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Abstract
PURPOSE
To determine imaging findings among retired workers who were long-term exposed to asbestos. Lung and pleural diseases prevalence were studied on chest radiograph and HRCT.
MATERIALS AND METHODS: Eighteen workers who were long-term exposedto asbestos occupationally in shipyards were examined by chest radiographs (PA and lateral view) and HRCT (high-resolution computed tomography).
RESULTS
In 12 of 18 subjects (66.7%), asbestos-related pleural abnormalities were evident in diaphragmatic, lateral chest wall and costophrenic angle of the pleura on chest radiographs. The thickness of pleural plaques at the lateral chest wall varied. Diffuse pleural thickening was evident in 2 workers. Parenchymal abnormalities were not found on chest radiographs. On HRCT, pleural thickening wasobserved in 16 of 18 subjects (88.9%), in the areas of juxtavertebral, diaphragmatic, anterior, lateral, mediastinal and fissural pleura. Curvilinear subpleural lines representing early parenchymal asbestosis were found in the lower posterior lung in three of 18 subjects (16.7%).
CONCLUSIONS
In long term asbestos-exposed workers, the asbestos-related pleural disease was 66.7% on chest radiographs and 88.9% on HRCT. The authors suggest that this group should be followed up periodically
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